Home / 13,176.48-19,764.96-4,409.76

Finding the Fourth Proportional to 13,176.48, 19,764.96 and 4,409.76

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Solution

The fourth proportional to 13,176.48, 19,764.96 and 4,409.76 is: 6,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.48 : 19,764.96 = 4,409.76 : x
  2. Step 2: Convert to fraction form
    13,176.48/19,764.96 = 4,409.76/x
  3. Step 3: Cross multiply
    13,176.48x = 19,764.96 × 4,409.76
  4. Step 4: Simplify right side
    13,176.48x = 87,158,730.01
  5. Step 5: Solve for x
    x = 87,158,730.01/13,176.48
  6. Step 6: Final answer
    x = 6,614.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.